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Office of Scientific & Technical Information Technical Reports
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522
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467
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350
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217
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1.06 μm 150 psec laser damage study of diamond turned, diamond turned/ polished and polished metal mirrors
Using a well characterized 1.06 μm 150 ps glass laser pulse the damage characteristics for diamond turned, diamond turned/ polished, and polished copper and silver mirrors less than 5 cm diameter were studied. Although most samples were tested with a normal angle of incidence, some were tested at 45$sup 0$ with different linear polarization showing an increase in damage threshold for S polarization. Different damage mechanisms observed will be discussed. Laser damage is related to residual surface influences of the fabrication process. First attempts to polish diamond turned surfaces resulted in a significant decrease in laser damage threshold. The importance of including the heat of fusion in the one dimensional heat analysis of the theoretical damage threshold and how close the samples came to the theoretical damage threshold is discussed. (auth)
Date:
July 24, 1975
Creator:
Saito, T. T.; Milam, D.; Baker, P. & Murphy, G.
Object Type:
Article
System:
The UNT Digital Library
3-D Hydrodynamic Modeling in a Geospatial Framework
3-D hydrodynamic models are used by the Savannah River National Laboratory (SRNL) to simulate the transport of thermal and radionuclide discharges in coastal estuary systems. Development of such models requires accurate bathymetry, coastline, and boundary condition data in conjunction with the ability to rapidly discretize model domains and interpolate the required geospatial data onto the domain. To facilitate rapid and accurate hydrodynamic model development, SRNL has developed a pre- and post-processor application in a geospatial framework to automate the creation of models using existing data. This automated capability allows development of very detailed models to maximize exploitation of available surface water radionuclide sample data and thermal imagery.
Date:
August 24, 2006
Creator:
Bollinger, J.; Alfred Garrett, A.; Larry Koffman, L. & David Hayes, D
Object Type:
Article
System:
The UNT Digital Library
9-11 Commission Hearing #8, March 24, 2004, Part 1
Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 24, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section includes the staff statement on intelligence policy in addition to testimony from George J. Tenet on counterterrorism policy.
Date:
March 24, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
9-11 Commission Hearing #8, March 24, 2004, Part 2
Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 24, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section includes the staff statement on national policy coordination in addition to testimony from Samuel R. Berger.
Date:
March 24, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
9-11 Commission Hearing #8, March 24, 2004, Part 3
Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 24, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section includes testimony from Richard A. Clarke, former National Coordinator for Counterterrorism, National Security Council.
Date:
March 24, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
9-11 Commission Hearing #8, March 24, 2004, Part 4
Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 24, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings This section includes the testimony from Richard L. Armitage, and concludes the hearing.
Date:
March 24, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
A 10 GHz BANDWIDTH, SINGLE TRANSIENT, DIGITIZED OSCILLOSCOPE WITH 20 GHz CAPABILITY
EG&G/EM has developed an oscilloscope with a {minus}3 dB bandwidth greater than 10 GHz. Its rolloff characteristics are such that single-transient data greater than 20 GHz may be captured. A demountable CCD camera records the oscilloscope trace and is provided with PC-compatible capture and data processing software. The capabilities of the oscilloscope, camera, and its processing software are described and examples of the system`s performance is shown.
Date:
January 24, 1994
Creator:
Hudson, C. L.; Kocimski, S. M.; Spector, J.; Thomas, J. B. & Woodstra, R. R.
Object Type:
Article
System:
The UNT Digital Library
24-Channel Geophone Array for Horizontal or Vertical Boreholes: Final Report
Improved ground-imaging capabilities have enormous potential to increase energy, environmental, and economic benefits by improving exploration accuracy and reducing energy consumption during the mining cycle. Seismic tomography has been used successfully to monitor and evaluate geologic conditions ahead of a mining face. A primary limitation to existing seismic tomography, however, is the placement of sensors. The goal of this project is to develop an array of 24 seismic sensors capable of being mounted in either a vertical or horizontal borehole. Development of this technology reduces energy usage in excavation, transportation, ventilation, and processing phases of the mining operation because less waste is mined and the mining cycle suffers fewer interruptions. This new technology benefits all types of mines, including metal/nonmetal, coal, and quarrying. The primary research tasks focused on sensor placement method, sensor housing and clamping design, and cabling and connector selection. An initial design is described in the report. Following assembly, a prototype was tested in the laboratory as well as at a surface stone quarry. Data analysis and tool performance were used for subsequent design modifications. A final design is described, of which several components are available for patent application. Industry partners have shown clear support for this …
Date:
October 24, 2003
Creator:
Westman, Erik C.
Object Type:
Report
System:
The UNT Digital Library
90-Day safety screen results and final report for tank 241-B-104 push-mode, cores 88 and 89. Revision 1
This document reports the final screen results for tank 241-B-104 Push Mode, Cores 88 and 89
Date:
October 24, 1995
Creator:
Jo, J.
Object Type:
Report
System:
The UNT Digital Library
100 Areas: (For technical progress letter No. 98), May 14--May 20
This technical progress report details 100 Area activities for the time period of May 14 through May 20, 1946.
Date:
May 24, 1946
Creator:
Jordan, W. E.
Object Type:
Report
System:
The UNT Digital Library
100 Areas weekly report, February 24, 1955
None
Date:
February 24, 1955
Creator:
Bellas, H. W.
Object Type:
Report
System:
The UNT Digital Library
The 100 largest industrial corporations in the U.S ranked by sales in 1970
This report ranks the 100 largest industrial corporations in the U.S by sales in 1970.
Date:
May 24, 1971
Creator:
Kline, Linda S.
Object Type:
Report
System:
The UNT Digital Library
103-06A - A1 - Base Trip Report Army - Fort Monroe - VA
Base Visit Report for Fort Monroe VA 25 May 2005. Lead Commissioner: Chairman Anthony J. Principi; Accompanying Commissioner: General L.W. Newton; Commission staffer: Gary Dinsick.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Book
System:
The UNT Digital Library
103-06A - A11 - Base Trip Report - Army - Fort McPherson - GA.pdf
Base Visit Report for Fort McPherson, GA, June 8 2005. Lead Commissioner: Honorable James T. Hill; Commission Staff: Donald Manuel & Aaron Butler.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Book
System:
The UNT Digital Library
103-06A - A15 - Base Trip Report - Army - Fort Gillem - GA.pdf
Base Visit Report to Fort Gillem, GA, 10 June 2005. Lead Commissioner: Honorable James H. Bilbray; Commission Staff: Donald Manuel & Aaron Butler.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Book
System:
The UNT Digital Library
103-06A - A2 - Base Trip Report Army - Fort Eustis - VA
Base Visit Report for Fort Eustin VA, 25 May, 2005. Lead Commissioner: Chairman Principi; Accompanying Commissioner: Gen. Lloyd W. Newton; Commission Staff: Dean Rhody, Gary Dinsick, James Durso.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Book
System:
The UNT Digital Library
103-06a - a20 - Base Input Army - Red River Army Depot - tx.pdf
Discussed the Army Red River Issues.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
103-06A - A20 - Base Input Army - Red River Army Depot - TX.pdf
Base Input, Army Depot Capacity & Red River Army Depot Issues for Chairman Principi, Summary, and references from Army Senior Review Group.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
103-06A - A6 - Base Input Army - Rock Island Arsenal - IL
Base Visit Input - BRAC 2005 visit to the Army Tank-automotive and Armaments Command Rock Island Site Information Paper and Briefing.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
103-06A - A6 - Base Input Army - Rock Island Arsenal -IL Department of the Army Civilan Human Resources Agency North Central Regio.pdf
Base Input - Department of the Army Civilian Human Resources Agency North central Region, Rock Island Arsenal, Illinois. Briefing containing Organization & Structure, Mission & Customers, BRAC recommendation, customer impact, key factors and conclusions.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
103-06A - A6 - Base Input Army - Rock Island Arsenal- IL.pdf
Base Input - Briefing for Tank-Automotive & Armaments Command Rock Island Arsenal, which includes purpose of briefing, overview of command, past BRAC actions, community issues, and summary. Also, the magazine Government Executive was sent with an article about the site.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
103-06A - A6 - Base Input Army Rock Island Arsenal Installation Management Agency overview briefing- IL
Base Visit Input - Installation Management Agency Overview briefing to the BRAC Commission 1 June 2005.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
103-06A - General - TX - Community Input - General - State - Texas.pdf
Community Input - Folder with Brochure, Annual report magazine 2004-2005: "Texas; the defense community. A master plan for the future. Also includes letter addressed to each commissioner regarding BRAC recommendations.
Date:
June 24, 2005
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
103-06A - NMC13 - Base Visit Book Navy MC - Naval Station Great Lakes - IL
Base Visit Report - Naval Station Great Lakes, North Chicago, Illinois, Realignment Recommendations, 02 June 2005 visited by Commissioner Samuel K. Skinner.
Date:
June 24, 2005
Creator:
United States. Defense Base Closure and Realignment Commission.
Object Type:
Book
System:
The UNT Digital Library